<template>
  <div class="login">
    <el-form
      ref="loginForm"
      :model="loginForm"
      :rules="loginRules"
      class="login-form"
    >
      <h3 class="title">汽车销售管理后台</h3>
      <el-form-item prop="username">
        <el-input
          v-model="loginForm.username"
          type="text"
          auto-complete="off"
          placeholder="账号"
        >
          <svg-icon
            slot="prefix"
            icon-class="user"
            class="el-input__icon input-icon"
          />
        </el-input>
      </el-form-item>
      <el-form-item prop="password">
        <el-input
          v-model="loginForm.password"
          type="password"
          auto-complete="off"
          placeholder="密码"
          @keyup.enter.native="handleLogin"
        >
          <svg-icon
            slot="prefix"
            icon-class="password"
            class="el-input__icon input-icon"
          />
        </el-input>
      </el-form-item>
      <el-checkbox
        v-model="loginForm.rememberMe"
        style="margin:0px 0px 25px 0px;"
        >记住密码</el-checkbox
      >
      <el-form-item style="width:100%;">
        <el-button
          :loading="loading"
          size="medium"
          type="danger"
          style="width:100%;"
          @click.native.prevent="handleLogin"
        >
          <span v-if="!loading">登 录</span>
          <span v-else>登 录 中...</span>
        </el-button>
      </el-form-item>
    </el-form>
    <!--  底部  -->
    <div class="el-login-footer">
      <span>Copyright © 2020 All Rights Reserved.</span>
    </div>
  </div>
</template>

<script>
import { StorageMixin } from "@/mixins/storage";
import { encrypt, decrypt } from "@/utils/jsencrypt";
import FormControl from "@/components/FormControl.vue";
export default {
  name: "Login",
  mixins: [StorageMixin],
  components: {
    FormControl
  },
  data() {
    return {
      codeUrl: "",
      cookiePassword: "",
      loginForm: {
        username: "",
        password: "",
        rememberMe: false
      },
      loginRules: {
        username: [
          { required: true, trigger: "blur", message: "用户名不能为空" }
        ],
        password: [{ required: true, trigger: "blur", message: "密码不能为空" }]
      },
      loading: false,
      redirect: undefined
    };
  },
  watch: {
    $route: {
      handler: function(route) {
        this.redirect = route.query && route.query.redirect;
      },
      immediate: true
    }
  },
  created() {
    this.getStorage();
  },
  methods: {
    getStorage() {
      const username = localStorage.getItem("username");
      const password = localStorage.getItem("password");
      const rememberMe = localStorage.getItem("rememberMe");

      this.loginForm = {
        username: !username ? this.loginForm.username : username,
        password: !password ? this.loginForm.password : decrypt(password),
        rememberMe: !rememberMe ? false : Boolean(rememberMe)
      };
    },
    handleLogin() {
      this.$refs.loginForm.validate(valid => {
        if (valid) {
          this.loading = true;
          if (this.loginForm.rememberMe) {
            localStorage.setItem("username", this.loginForm.username);
            localStorage.setItem("password", encrypt(this.loginForm.password));
            localStorage.setItem("rememberMe", this.loginForm.rememberMe);
          } else {
            localStorage.removeItem("username");
            localStorage.removeItem("password");
            localStorage.removeItem("rememberMe");
          }
          this.$store
            .dispatch("Login", this.loginForm)
            .then(() => {
              var redirect = this.redirect;
              if (!redirect) {
                redirect = "/contract/index?type=normal";
              }
              this.$router.push({ path: redirect });
            })
            .catch(() => {
              this.loading = false;
            });
        }
      });
    }
  }
};
</script>

<style rel="stylesheet/scss" lang="scss" scoped>
.login {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
  background-image: url("../assets/image/bg-login.jpg");
  background-size: cover;
}
.title {
  margin: 0px auto 30px auto;
  text-align: center;
  color: #707070;
}

.login-form {
  margin-bottom: 220px;
  border-radius: 6px;
  background: #ffffff;
  width: 400px;
  padding: 25px 25px 5px 25px;
  .el-input {
    height: 38px;
    input {
      height: 38px;
    }
  }
  .input-icon {
    height: 39px;
    width: 14px;
    margin-left: 2px;
  }
}
.login-tip {
  font-size: 13px;
  text-align: center;
  color: #bfbfbf;
}
.login-code {
  width: 33%;
  height: 38px;
  float: right;
  img {
    cursor: pointer;
    vertical-align: middle;
  }
}
.el-login-footer {
  height: 40px;
  line-height: 40px;
  position: fixed;
  bottom: 0;
  width: 100%;
  text-align: center;
  color: #fff;
  font-family: Arial;
  font-size: 12px;
  letter-spacing: 1px;
}
.login-code-img {
  height: 38px;
}
</style>
